Finding the Fourth Proportional to 205,201.55, 283,295.93 and 156,420.51
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Solution
The fourth proportional to 205,201.55, 283,295.93 and 156,420.51 is: 215,950.09
Step by Step Solution
- Step 1: Write the proportion equation
205,201.55 : 283,295.93 = 156,420.51 : x - Step 2: Convert to fraction form
205,201.55/283,295.93 = 156,420.51/x - Step 3: Cross multiply
205,201.55x = 283,295.93 × 156,420.51 - Step 4: Simplify right side
205,201.55x = 44,313,293,069.42 - Step 5: Solve for x
x = 44,313,293,069.42/205,201.55 - Step 6: Final answer
x = 215,950.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.